mr. pietrusza, was coolidge a vain man? he was the only president of the united states to have his face on a u.s. coin during his presidency. >> guest: that is a true fact. that he is the only living president. it was a sesquicentennial of, you know, it was one of those things that, you know, washington and coolidge on the same thing. i'm not quite sure what role he had in picking that out. he did say it is a good thing for our presidents to know they are not great men or for people to know that. and i think he had a understanding of his limitations, certainly the limitations of power, federal power, presidential power, but also, you know, when he went out to the badlands and he'd put a head dress on he put a big cowboy outfit on. and, you know, one of his advisers said, mr. president, people are laughing at you. and he said, well, sometimes it's good for people to laugh. now, a guy who says that can't be all stuck up on himself. of course, he was also decided he wasn't going to run for another term. so being on the way out